Newton’s law of motion (id: d26133fcf)

本题目来源于试卷: Newton’s law of motion，类别为 美国物理杯赛(Physics Bowl)

[单选题]
00.13: An object near the sur1vm:c 1y.gmlkface of the earth with a weight of 100 newtih6 sof ;3ank+6 +ow e)i+;wewhr6n1t7yu hhhons is acceler3n ta+rw+w6so fih)ueh 7w; ;i16ehohh6ny+k ated at $4\;m/s^{2}$ . What is the net force on the object?

A. 25N
B. 40N
C. 250N
D. 400N
E. 2500N


参考答案:  B


本题详细解析: 暂无

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